/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.runtime.operators.testutils.types;

import java.io.IOException;

import org.apache.flink.api.common.typeutils.CompatibilityResult;
import org.apache.flink.api.common.typeutils.TypeSerializer;
import org.apache.flink.api.common.typeutils.TypeSerializerConfigSnapshot;
import org.apache.flink.core.memory.DataInputView;
import org.apache.flink.core.memory.DataOutputView;
import org.apache.flink.types.StringValue;

public class StringPairSerializer extends TypeSerializer<StringPair> {

	private static final long serialVersionUID = 1L;

	@Override
	public boolean isImmutableType() {
		return false;
	}

	@Override
	public StringPairSerializer duplicate() {
		return this;
	}
	
	@Override
	public StringPair createInstance() {
		return new StringPair();
	}
	
	@Override
	public StringPair copy(StringPair from) {
		return new StringPair(from.getKey(), from.getValue());
	}
	@Override
	public StringPair copy(StringPair from, StringPair reuse) {
		reuse.setKey(from.getKey());
		reuse.setValue(from.getValue());
		return reuse;
	}

	@Override
	public int getLength() {
		return -1;
	}

	@Override
	public void serialize(StringPair record, DataOutputView target) throws IOException {
		StringValue.writeString(record.getKey(), target);
		StringValue.writeString(record.getValue(), target);
	}

	@Override
	public StringPair deserialize(DataInputView source) throws IOException {
		return new StringPair(StringValue.readString(source), StringValue.readString(source));
	}
	
	@Override
	public StringPair deserialize(StringPair record, DataInputView source) throws IOException {
		record.setKey(StringValue.readString(source));
		record.setValue(StringValue.readString(source));
		return record;
	}

	@Override
	public void copy(DataInputView source, DataOutputView target) throws IOException {
		StringValue.writeString(StringValue.readString(source), target);
		StringValue.writeString(StringValue.readString(source), target);
	}

	@Override
	public boolean equals(Object obj) {
		if (obj instanceof StringPairSerializer) {
			StringPairSerializer other = (StringPairSerializer) obj;

			return other.canEqual(this);
		} else {
			return false;
		}
	}

	@Override
	public boolean canEqual(Object obj) {
		return obj instanceof StringPairSerializer;
	}

	@Override
	public int hashCode() {
		return StringPairSerializer.class.hashCode();
	}

	@Override
	public TypeSerializerConfigSnapshot<StringPair> snapshotConfiguration() {
		throw new UnsupportedOperationException();
	}

	@Override
	public CompatibilityResult<StringPair> ensureCompatibility(TypeSerializerConfigSnapshot<?> configSnapshot) {
		throw new UnsupportedOperationException();
	}
}
